package jdbc;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

/**
 * 执行DQL语句
 */
public class JDBCDemo5 {
    public static void main(String[] args) {
        try(Connection connection=DBUtil.getConnection();) {
            Statement statement = connection.createStatement();
            String sql="SELECT id,name,salary,title "+
                    "FROM teacher";
            ResultSet rs =statement.executeQuery(sql);
            while (rs.next()){
                //int id = rs.getInt("id");
                //String name = rs.getString("name");
                //int salary = rs.getInt("salary");
                //String title = rs.getString("title");
                int id=rs.getInt(1);
                String name=rs.getString(2);
                int salary=rs.getInt(3);
                String title=rs.getString(4);
                System.out.println(id+","+name+","+salary+","+title);
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }

    }
}
